# Cosmos

> MCP server for the Polarity exocortex. Read and write your personal knowledge graph from any LLM client.

## Facts
- Page: https://tashan.sh/capability/pkg-polarity-lab-cosmos-mcp
- tashan id: pkg:@polarity-lab/cosmos-mcp
- Source: https://github.com/teampolarity/cosmos-mcp
- npm: https://www.npmjs.com/package/@polarity-lab/cosmos-mcp
- Type: npm
- Category: search
- tashan score: 54.0 / 100
- Adoption: 30.0
- Upkeep: 79.0
- Freshness: 77.0
- Evidence coverage: 100% of the inputs this score can use
- Health: active
- Instruction depth: not yet graded
- npm downloads: 130/week
- License: MIT
- Official: no

## Install

```sh
claude mcp add polarity-lab-cosmos -- npx -y @polarity-lab/cosmos-mcp
```

## Security audit
- Known advisories: 0
- Install-time script: `npm rebuild better-sqlite3 2>/dev/null || true`
- Build provenance: not attested
- Declared permission surface: database

Permissions are read from DECLARED dependencies only. Nothing is executed, so an empty result means "nothing declared", never "nothing possible".

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Measured 2026-09-12 by tashan (https://tashan.sh) from public evidence. Scorer s5.